Effortless Setup and Use: This kit features a USB-powered receiver that connects directly between the power supply's male connector and the device's female connector. This design eliminates the need for complex wiring, offering a plug-and-play experience right out of . Pre-configured for Immediate Use: The transmitter and receiver are pre-paired for your convenience, ensuring a hassle-free setup. The system operates in a lock mode where pressing the "A" key activates the receiver relay, and pressing the "B" key deactivates it. Reliable Wireless Connectivity: Utilizing advanced technology, the remote control ensures stable and consistent signal transmission. It can penetrate walls, floors, and doors, maintaining control over the receiver up to a distance of 20-50 meters without any obstacles. Versatile Application: Ideal for a wide range of USB-powered devices such as LED lights, light strips, fans, and more. The switch enhances the functionality of devices in homes, offices, or commercial settings, making it a versatile addition to any tech toolkit. Advanced Learning Function: The receiver is equipped with a learning function that allows for the configuration of multiple controllers and the addition of extra remotes. Each set is independently coded to prevent interference, ensuring smooth operation across various devices. Color:Black Material:plastic Package Contents: 1 * Transmitter 1 * Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.